Question about 2008 Chevrolet Silverado 1500 2WD
Check engine light goes off then comes back on vehicle run great what can i do to fix the problem
Possible loose gas cap. Tighten cap and disconnect negative battery cable for about 15 min and reconnect to clear error.
Posted on Apr 21, 2014
Go to www.youtube.com/watch?v=aL5KmV1d26Y. It shows you how to replace the Evap Valve which causes these codes. . It is simple to do. Hope this helps you. Buy from Amazon or other online store. You will save money .
Posted on Apr 21, 2014
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Posted on Jan 02, 2017
SOURCE: 2001 chevy impala
You might get some gas treatment for your tank. Sometimes bad gas can cause those symptoms.
I would put the treatment in and let it sit overnight. Hopefully the next morning the car will feel better!
I hope this helps... Good luck!
Posted on Sep 24, 2009
maf or vac circuit low
purge/vac vent valve malfuntion
if your purge valve were stuck open it would cause a rich condition because it would constantly be sucking gas fumes from the tank. repair the evap. purge system first then go on to the other code
the purge solonoid is connected to the evap canister it cycles on and off the rapidly to remove gas vapor from the fuel tank system. it is usually near a plasitic tee fitting with a green cap on one of the legs off the tee. when the engine is warmed up it should make a audible tick tick tick sound.sometimes a piece of the carbon breaks loose from the carbon canister and blocks open the purge valve.if carbon in valve replace canister and clean/replace purge valve.
Posted on Mar 30, 2010
when run with a misfire, the cat will get loaded up with fuel, it takes awhile for it to burn out, and a code may set, on some occasions it ruins the converter, try clearing it and running it
Posted on Oct 14, 2010
You are right. You need the vent valve not the purge valve. The vent valve is a dealer item. Also this is a common problem and GM has released a bulletin on this that involves moving the location of the valve and running some new lines. It comes as a kit from GM, and it costs about a 100 bucks.
Posted on Dec 02, 2010
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